Any work involving VM ZINC® must allow it to expand and contract freely. The linear expansion of VM ZINC® is 0.022 mm per meter and per degree centigrade.
Example: In Sydney, the temperature range to bear in mind is from 0°C in mid-winter to + 90°C on the surface of the metal in the sun at the height of the summer. Assuming an ambient temperature of 25°C during installation, we have to take into account an additional 65°C (expansion) 25°C less (contraction).
For a 10 meter long panel:
A.
anticipate an 0.022 mm x 10 x 65 = 14.30 mm increase in length,
B.
anticipate 0.022 mm x 10 x 25 = 5.5 mm contraction.
